Q6 (12 points) Write a delta - epsilon proof that shows that the function f(r) = x 2 is continuous on its domain. Drag and drop an image or PDF file or click to browse Q7 (10 points) Write a delta - epsilon proof that shows that the function f(r) = VT is continuous on its domain. Drag and drop an image or PDF file or click to browse.Q8 (7 points) Find the least upper bound ( if it exists ) and the greatest lower bound ( if it exists ) for the given sets S a) [0, 2]; b) (-00, 1): c) (x : 22